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Point charges q & -q are located @ the vertices of a square with diagonals 2l as shown in the fig. Find the magnitude of the electric field strength @ a point located symmetrically with respect to the vertices of the sqr. at ...

In some old texts it is mentioned that 4Ï€(pi) lined of force originate from each unit positive charge. Comment on the statement in the view of the fact that 4Ï€ is not an integer. ...

The number of electrons in an insulator is of the same order as the number of electrons in a conductor. What is the basic difference betw. them ?? Should we explain it wid the Forbidden Gap theory or is their any other ans ? ...

a chord is used to lower vertically a block of mass M through a distance d at a constant downward accn g/3 d work done by d chord on d block is ? a ballon is going vertically upwards with a velocity of 10m/s 75m above d groun ...

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If the valences 1,1/2,1/3,1/4....occur at frequency 1,2,3,4,5.......,n in a distribution then the mean is : a. 1 b. n c. 1/n 4.NONE ...

Are solving problems wid complex roots there in the syllabus ?? ...

A cycloid is a curve so that time of descent under action of gravity is minimum for any two pts on the curve find its eq ( be original no copywork Q inspired from a model in a science park i visited ) ...

1. why is electric flux outside spherical conductor Q/2ε and not Q/ε 2. force exerted on Q1 (given is a spherical shell with charge q distributed uniformly on it and Q1 is at its centre) and a charge q2 some dist away =0 wh ...

hey guys.. anyone heres knows about the fee structure at various BITS colleges.. if so plz do let me know.. ...

two block a and b ,each having amass of 320g connected by a light string passing over a smooth light pulley , the horizontal surface on which the block a can slide is smooth . the block a is attached to a string of spring con ...

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Assertion==A Reason ==R A: AcetoPhenone can be converted to a salt of benzoic acid by treatment with iodine and alkali R: Iodine with Alkali is a reagent used for side chain oxidation a) If both Assertion and Reaction are Cor ...

Prove that √(7/2) ≤ |1 + z| + |1 − z + z2| ≤ 3√(7/6) for all complex numbers with |z| = 1. ...

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in an elastic string whose natural length is equal to that of a uniform rod be attached to the rod at both ends n suspende at middle point a)the rod ll sink until total wrk is non zero b)the rod ll sink until d total wrk done ...

The line y=3x bisects the angle between pairs of lines ax2 + 2axy + y2 = 0 if a = 1. 3 2. 11 3. 3/11 4. 11/3 ...

in dU=dW+dQ if dQ=0 then dU=dW. LHS is dependent on the initial and final coordinates of the system but RHS is dependent on both state and path. How is this possible? plz help ...

wen the range of projectile on a n inclined plane is maximum then a)focus of the path is on the plane b)focus of the path is below the plane c)focus of path is above the plane d)focus of path can be at any place ...

post ur dbts and impressions on the paper ...

d ionic compound XY has a ZnS type of structure if d radius of X+ is 22.5 pm wat is d ideal radius of Y- ? a beam of X-ray from a Cu target, with wavelength 154.1pm is passed at low angles onto d surface of a Ag crystal .As a ...

1] intermolecular hydrogen bonding is strongest in a] methyl amine b]phenol c]formaldehyde d]methanol ...

d probability dat 2 frnds will b able to meet each other between 'a' hours & 'b' hours not waiting for each other more than 'c' hours is ? if 3 squares are selected at random on a chess board den d probability datdey lie on a ...

a stone is dropped into a well 80m deep & impact of sound is heard after 4.25 s if g=10m/s2 d vel of sound in air is ...

*Image* LAB=LCD=LEF/2=LGH/2 RAB=REF=RCD=RGH/2 Pressure at A is 2p an at D is p .The volume flow rate thru the pipe AB is Q.Volume flow rates through EF and GH are a)Q/17 and Q/5 b)q/17 and 16/17 Q c)Q and Q ...